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KEO 90° Six-Flute Countersink, 3/4 in Body Dia, TiN Coated High-Speed Steel - Smooth-Finish Six-Flute Countersinks
KEOSmooth-Finish Six-Flute Countersinks

KEO 90° Six-Flute Countersink, 3/4 in Body Dia, TiN Coated High-Speed Steel

KEO Smooth-Finish Six-Flute Countersinks.

SKU 3G-OTH-188557

Also listed as: 919000390 · 919 000 390

Brand
KEO
Item
90° Six-Flute Countersink, 3/4 in Body Dia, TiN Coated High-Speed Steel
Category
Smooth-Finish Six-Flute Countersinks
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

KEO
Manufacturer Part Number
919-000-390

Technical Documents

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KEO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

KEO Smooth-Finish Six-Flute Countersinks.

Frequently Asked Questions

What is the KEO 919-000-390 countersink used for?

The KEO 919-000-390 is a 90°, 6-flute countersink used for deburring and countersinking holes in metal, plastic, and wood. Its TiN-coated high-speed steel construction provides wear resistance and smooth finishes in production machining and maintenance applications.

What are the specifications of the KEO 919-000-390 countersink?

The KEO 919-000-390 is a 90° countersink with 6 flutes, a 3/4 in body diameter, and TiN-coated high-speed steel. It is designed for smooth-finish countersinking and deburring. The manufacturer part number is 919-000-390.

Where to buy the KEO 919-000-390 countersink worldwide?

3G Electric supplies the KEO 919-000-390 countersink worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the right KEO countersink for your application?

Select a KEO countersink based on hole angle (e.g., 90°), material (TiN-coated HSS for ferrous metals), and body diameter matching fastener head size. For smooth finishes, use 6-flute designs. Always match speed and feed to workpiece hardness.

Used in

Common applications for KEO
Metalworking — KEO plain-tip center drills for creating accurate starting points in lathe operations
Automotive manufacturing — KEO bell-tip center drills for countersinking holes in engine components
Aerospace machining — KEO radius-tip center drills for reducing stress risers in critical parts
General machining — KEO keyseat cutters for milling keyways in shafts and gears
Tool and die making — KEO TiN-coated center drills for extended tool life in hardened steels
Precision engineering — KEO cobalt center drills for high-temperature alloy applications

KEO Products

3G Electric supplies KEO smooth-finish six-flute countersinks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
This 90° six-flute countersink is designed for producing smooth, chatter-free chamfers and countersinks in metal. The TiN-coated high-speed steel construction provides extended tool life in ferrous and non-ferrous materials. Commonly used for deburring holes and preparing fastener recesses in machining and fabrication
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This 90° six-flute countersink is designed for producing smooth, chatter-free chamfers and countersinks in metal. The TiN-coated high-speed steel construction provides extended tool life in ferrous and non-ferrous materials. Commonly used for deburring holes and preparing fastener recesses in machining and fabrication
This 90° countersink features six flutes for smooth finish and chip clearance. Constructed from TiN-coated high-speed steel, it is suited for chamfering holes and deburring edges in metal workpieces. Common applications include preparing holes for screw heads and general deburring in machining operations
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This 90° countersink features six flutes for smooth finish and chip clearance. Constructed from TiN-coated high-speed steel, it is suited for chamfering holes and deburring edges in metal workpieces. Common applications include preparing holes for screw heads and general deburring in machining operations
This six-flute countersink is designed for deburring and countersinking holes in metal, plastic, and wood. The TiN-coated high-speed steel construction provides wear resistance, while the six-flute design delivers a smooth finish and reduces chatter during operation
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This six-flute countersink is designed for deburring and countersinking holes in metal, plastic, and wood. The TiN-coated high-speed steel construction provides wear resistance, while the six-flute design delivers a smooth finish and reduces chatter during operation
This 90° countersink features six flutes for smooth, chatter-free operation in metal, plastic, and wood. The TiN-coated high-speed steel construction reduces friction and extends tool life. Suitable for creating precision chamfers and countersinks in general machining applications
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This 90° countersink features six flutes for smooth, chatter-free operation in metal, plastic, and wood. The TiN-coated high-speed steel construction reduces friction and extends tool life. Suitable for creating precision chamfers and countersinks in general machining applications
This 90° countersink features six flutes for smooth, chatter-free chamfering of drilled holes. Made from TiN coated high speed steel, it provides reduced friction and extended tool life. Suitable for creating flush seating for screws and bolts in metalworking and machining applications
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This 90° countersink features six flutes for smooth, chatter-free chamfering of drilled holes. Made from TiN coated high speed steel, it provides reduced friction and extended tool life. Suitable for creating flush seating for screws and bolts in metalworking and machining applications
This 90° countersink features six flutes for smooth finishing and is made from TiN-coated high-speed steel. It is used for deburring and chamfering holes in metal and plastic materials in machining and fabrication applications
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This 90° countersink features six flutes for smooth finishing and is made from TiN-coated high-speed steel. It is used for deburring and chamfering holes in metal and plastic materials in machining and fabrication applications

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This 120° countersink features six flutes for smooth deburring and chamfering of holes in metal. The AlTiN-coated cobalt construction provides heat resistance and extended tool life in high-speed machining of hardened steels and alloys. Suitable for general industrial applications requiring a clean, finished edge
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This 120° countersink features six flutes for smooth deburring and chamfering of holes in metal. The AlTiN-coated cobalt construction provides heat resistance and extended tool life in high-speed machining of hardened steels and alloys. Suitable for general industrial applications requiring a clean, finished edge
This 60° countersink features a six-flute design for smooth, burr-free chamfering and deburring in metal, plastic, and wood. The AlTiN coating reduces heat buildup and improves surface finish. Suitable for precision machining and industrial manufacturing applications
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This 60° countersink features a six-flute design for smooth, burr-free chamfering and deburring in metal, plastic, and wood. The AlTiN coating reduces heat buildup and improves surface finish. Suitable for precision machining and industrial manufacturing applications
This 100° countersink features six flutes and an AlTiN-coated high-speed steel body for producing smooth, burr-free chamfers. It is suited for deburring and countersinking holes in metalworking applications such as machining and fabrication
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This 100° countersink features six flutes and an AlTiN-coated high-speed steel body for producing smooth, burr-free chamfers. It is suited for deburring and countersinking holes in metalworking applications such as machining and fabrication
This six-flute countersink produces smooth, burr-free chamfered holes in metal, plastic, or wood. The 100° angle is suited for precision countersinking in aerospace and automotive applications. Made from AlTiN-coated high speed steel for extended tool life
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This six-flute countersink produces smooth, burr-free chamfered holes in metal, plastic, or wood. The 100° angle is suited for precision countersinking in aerospace and automotive applications. Made from AlTiN-coated high speed steel for extended tool life
This six-flute countersink produces smooth, burr-free chamfered holes in metal, plastic, and composite materials. The AlTiN coating extends tool life in abrasive or high-temperature applications. Body diameter is 3/8 in
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This six-flute countersink produces smooth, burr-free chamfered holes in metal, plastic, and composite materials. The AlTiN coating extends tool life in abrasive or high-temperature applications. Body diameter is 3/8 in
This KEO countersink features a 100° included angle and six flutes for smooth, chatter-free cutting. The 2-inch body diameter and 3/4-inch shank suit standard toolholders. Cobalt construction provides heat resistance for machining hardened steels and stainless alloys. Used to create chamfered recesses for flat-head screws in metalworking
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This KEO countersink features a 100° included angle and six flutes for smooth, chatter-free cutting. The 2-inch body diameter and 3/4-inch shank suit standard toolholders. Cobalt construction provides heat resistance for machining hardened steels and stainless alloys. Used to create chamfered recesses for flat-head screws in metalworking
This 90° countersink features six flutes for chatter-free operation, producing a smooth finish on drilled holes. The cobalt steel construction offers heat resistance for extended tool life. Suitable for chamfering and deburring ferrous and non-ferrous materials in machining applications
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This 90° countersink features six flutes for chatter-free operation, producing a smooth finish on drilled holes. The cobalt steel construction offers heat resistance for extended tool life. Suitable for chamfering and deburring ferrous and non-ferrous materials in machining applications
This 90° countersink features six flutes for smooth, chatter-free operation when creating chamfers and countersinks in metal. The TiN-coated cobalt construction provides extended tool life. Commonly used for deburring holes and preparing surfaces for flat-head screws in machining and fabrication
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This 90° countersink features six flutes for smooth, chatter-free operation when creating chamfers and countersinks in metal. The TiN-coated cobalt construction provides extended tool life. Commonly used for deburring holes and preparing surfaces for flat-head screws in machining and fabrication